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Data Sheet No. PD94705

IR3080

XPHASE

TM

VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT

DESCRIPTION

The IR3080 Control IC combined with an IR

XPhase

TM

Phase IC provides a full featured and flexible way to

implement a complete VRD 10 power solution. The 鈥淐ontrol鈥?IC provides overall system control and

interfaces with any number of 鈥淧hase ICs鈥?which each drive and monitor a single phase of a multiphase

converter. The XPhase

TM

architecture results in a power supply that is smaller, less expensive, and easier

to design while providing higher efficiency than conventional approaches.

The IR3080 is intended for desktop applications and includes the VCCVID and VRHOT functions required

for proper system operation.

FEATURES

鈥?/div>

6 bit VR10 compatible VID with 0.5% overall system accuracy

1 to X phases operation with matching phase ICs

On-chip 700鈩?VID Pull-up resistors with VID pull-up voltage input

Programmable Dynamic VID Slew Rate

No Discharge of output capacitors during Dynamic VID step-down (can be disabled)

+/-300mV Differential Remote Sense

Programmable 150kHz to 1MHz oscillator

Programmable VID Offset and Load Line output impedance

Programmable Softstart

Programmable Hiccup Over-Current Protection with Delay to prevent false triggering

Simplified Powergood provides indication of proper operation and avoids false triggering

Operates from 12V input with 9.1V Under-Voltage Lockout

6.8V/5mA Bias Regulator provides System Reference Voltage

1.2V @ 150mA VCCVID Linear Regulator with Full Protection

VCCVID Powergood with Programmable delay gates converter operation

Programmable Converter Over-Temperature Detection and Output

Small thermally enhanced 32L MLPQ package

PACKAGE PIN OUT

32

30

31

VIDDEL

29

28

HOTSET

27

26

RMPOUT

VIDPGD

PWRGD

SS/DEL

VRHOT

LGND

25

1

2

VIDFB

VCC

VBIAS

24

23

22

VCCVID

3

VIDPWR

4

VID5

5

VID0

6

VID1

IR3080

CONTROL

IC

VOSNS-

BBFB

EAOUT

21

FB

20

VDRP

19

7

VID2

IIN

18

8

VID3

TRM1

OCSET

ROSC

TRM3

17

TRM2

10

11

12

13

14

TRM4

VID4

15

16

9

VDAC

Page 1 of 41

9

/30/04

標準包裝
5
類別
集成電路 (IC)
家庭
PMIC - 電源管理 - 專用
系列
XPhase™
應用
處理器
電流 - 電源
11mA
電源電壓
9.5 V ~ 14 V
工作溫度
0°C ~ 100°C
安裝類型
表面貼裝
封裝/外殼
32-VFQFN 裸露焊盤
供應商設備封裝
32-MLPQ（5x5）
包裝
剪切帶 (CT)
其它名稱
*IR3080M

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